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  2. Concrete block - Wikipedia

    en.wikipedia.org/wiki/Concrete_block

    A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, or concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.

  3. Photo print sizes - Wikipedia

    en.wikipedia.org/wiki/Photo_print_sizes

    The alternative Super series, denoted SnR, nR Plus or nR+, has an aspect ratio of 3∶2 (or as close as possible) and thus provides a better fit for standard 135 film (35 mm) at sizes of 8 inches or above. 5R is twice the size of a 2R print, 6R twice the size of a 4R print and S8R twice the size of 6R. 4D/6D is a newer size for most consumer ...

  4. Jesse Besser - Wikipedia

    en.wikipedia.org/wiki/Jesse_Besser

    Jesse Besser (1882–1970) was an inventor and manufacturer from Alpena in the U.S. state of Michigan.He is best known for inventing, and supervising a series of improvements to, a tamping machine used to rapidly press wet, flexible concrete into blocks, thereby making possible a new generation of applications in masonry construction.

  5. Gauge block - Wikipedia

    en.wikipedia.org/wiki/Gauge_block

    By using three blocks at a time taken from a set of 30 blocks, one may create any of the 1000 lengths from 3.000 to 3.999 mm in 0.001 mm steps (or .3000 to .3999 inches in 0.0001 inch steps). Description

  6. Eurocard (printed circuit board) - Wikipedia

    en.wikipedia.org/wiki/Eurocard_(printed_circuit...

    Two common heights are 3U (a 100 mm card in a 5.25 in (133.35 mm) subrack) and 6U (a 233.35 mm card in a 10.5 in (266.70 mm) high subrack). As two 3U cards are shorter than a 6U card (by 33.35 mm), it is possible to install two 3U cards in one slot of a 6U subrack, with a mid-height structure for proper support.

  7. ANSI/ASME Y14.1 - Wikipedia

    en.wikipedia.org/wiki/ANSI/ASME_Y14.1

    A size chart illustrating the ANSI sizes. In 1992, the American National Standards Institute adopted ANSI/ASME Y14.1 Decimal Inch Drawing Sheet Size and Format, [1] which defined a regular series of paper sizes based upon the de facto standard 8 + 1 ⁄ 2 in × 11 in "letter" size to which it assigned the designation "ANSI A".

  8. List of tablet PC dimensions and case sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_tablet_PC...

    Tablet cases sizes Tablet PC Height Width Depth Screen Case size Acer Iconia Tab A500 [1]: 10.2 in (260 mm) 7 in (180 mm) 0.52 in (13 mm) 10.1 in (260 mm)

  9. List of heavy mortars - Wikipedia

    en.wikipedia.org/wiki/List_of_heavy_mortars

    Mortier de 58 mm type 2 "Crapouillot" [2] France: World War I: 90 [3] 20 cm leLdgW Nazi Germany: World War II: 91.5: 9.15 cm leichtes Minenwerfer System Lanz German Empire: World War I 105: 10.5 cm Luftminenwerfer M15 Austria-Hungary: World War I 105: 10 cm Nebelwerfer 35 Nazi Germany: World War II: 106.7: Ordnance ML 4.2 inch Mortar United ...